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SPECIAL SECTION FREUD AT 150: WHAT HIS INSIGHTS MEAN FOR US TODAY
MIND
The Dawn of a New Science of Mind page 62
T HOUGH T • IDE A S • BR A IN S C IENC E
A p r il / M ay 20 0 6
w w w.s c ia m min d.c o m
Human See, Human Do Brain Cells That
Mirror Actions We See Are Key to Learning, Empathy, Even Culture page 22
Plus:
Mental Effects of Alcoholism Brainy Birds • Will Machines Think? What Goes Wrong in Huntington’s
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MIND THOUGHT • IDEAS • BRAIN SCIENCE
E D I T O R I N C H I E F : John Rennie E X E C U T I V E E D I T O R : Mariette DiChristina I S S U E E D I T O R : Mark Fischetti A R T D I R E C T O R : Edward Bell I S S U E A R T D I R E C T O R : Patti Nemoto P H O T O G R A P H Y E D I T O R : Bridget Gerety Small P R O D U C T I O N E D I T O R : Richard Hunt C O P Y D I R E C T O R : Maria-Christina Keller C O P Y C H I E F : Molly K. Frances A S S I S T A N T C O P Y C H I E F : Daniel C. Schlenoff C O P Y A N D R E S E A R C H : Michael Battaglia,
Sara Beardsley, Rachel Dvoskin, Eugene A. Raikhel, Kenneth Silber S E N I O R S E C R E T A R Y: Maya Harty B O A R D OF A D V I S E R S : S T E P HE N J. C E C I : Professor of Developmental Psychology, Cornell University MIC H A E L M. FA E N Z A : President and CEO, National Mental Health Association R . D O U GL A S F IE L D S : Chief, Nervous System Development and Plasticity Section, National Institutes of Health, National Institute of Child Health and Human Development C HR I S T OF K O C H : Professor of Cognitive and Behavioral Biology, California Institute of Technology J OHN H. MOR R I S ON : Chairman, Department of Neuroscience, and Director, Neurobiology of Aging Laboratories, Mount Sinai School of Medicine V IL AYA NUR S . R A M A C H A NDR A N : Director, Center for the Brain and Cognition at the University of California, San Diego, and Adjunct Professor, Salk Institute for Biological Studies
Many of the articles in this issue are adapted from articles originally appearing in Gehirn & Geist. A S SOCI ATE PUBLISHER, PRODUC TION:
William Sherman M A N U F A C T U R I N G M A N A G E R : Janet Cermak ADVERTISING PRODUC TION MANAGER:
Carl Cherebin P R E P R E S S A ND Q U A L I T Y M A N A G E R : Silvia De Santis P R O D U C T I O N M A N A G E R : Christina Hippeli CUS TOM PUBLISHING MANAGER:
Madelyn Keyes-Milch A S S O C I A T E P U B L I S H E R / V I C E P R E S I D E N T, C I R C U L A T I O N : Lorraine Leib Terlecki C I R C U L A T I O N D I R E C T O R : Simon Aronin
C O V E R I M AG E B Y P H I L S AU N D E R S S p a c e C h a n n e l L t d .
V I C E P R E S I D E N T A N D P U B L I S H E R : Bruce Brandfon A S SOCI ATE PUBLISHER, S TR ATEGIC PL A NNING:
Laura Salant P R O M O T I O N M A N A G E R : Diane Schube R E S E A R C H M A N A G E R : Aida Dadurian P R O M O T I O N D E S I G N M A N A G E R : Nancy Mongelli G E N E R A L M A N A G E R : Michael Florek B U S I N E S S M A N A G E R : Marie Maher M A N A G I N G D I R E C T O R , O N L I N E : Mina C. Lux S A L E S R E P R E S E N T A T I V E , O N L I N E : Gary Bronson M A R K E T I N G D I R E C T O R , O N L I N E : Han Ko DIREC TOR, ANCILL ARY PRODUC TS:
Diane McGarvey P E R M I S S I O N S M A N A G E R : Linda Hertz MANAGER OF CUSTOM PUBLISHING:
Jeremy A. Abbate C H A I R M A N E M E R I T U S : John J. Hanley C H A I R M A N : John Sargent PRESIDENT AND CHIEF E XECUTIVE OFFICER:
Self-Reflections It was one of those seemingly mundane moments, but I was thunderstruck when I realized the implications. Tossing on a cardigan, I happened to notice my toddler intently staring at me to